Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9022115 | Method and apparatus for wellbore perforation | Mark S. Kleefisch, Henry David Reynolds, Neal G. Skinner, Jim B. Surjaatmadja, Roger L. Schultz +1 more | 2015-05-05 |
| 8967298 | Transmission of light through light absorbing medium | Hamid A. Abbasi, Mark S. Kleefisch | 2015-03-03 |